extrainst_.mm

   1 /* UIKit Tools - command-line utilities for UIKit
   2  * Copyright (C) 2008-2012  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 #import <Foundation/Foundation.h>
  41
  42 #include <notify.h>
  43 #include <sys/types.h>
  44 #include <sys/stat.h>
  45 #include <unistd.h>
  46 #include <dlfcn.h>
  47
  48 #include "csstore.hpp"
  49
  50 @interface NSObject (Cydia)
  51 - (NSDictionary *) dictionaryOfInfoDictionaries;
  52 @end
  53
  54 @implementation NSObject (Cydia)
  55
  56 - (NSDictionary *) dictionaryOfInfoDictionaries {
  57     return nil;
  58 }
  59
  60 @end
  61
  62 @interface NSArray (Cydia)
  63 - (NSDictionary *) dictionaryOfInfoDictionaries;
  64 @end
  65
  66 @implementation NSArray (Cydia)
  67
  68 - (NSDictionary *) dictionaryOfInfoDictionaries {
  69     // XXX: implement?
  70     return nil;
  71 }
  72
  73 @end
  74
  75 @interface NSDictionary (Cydia)
  76 - (NSDictionary *) dictionaryOfInfoDictionaries;
  77 @end
  78
  79 @implementation NSDictionary (Cydia)
  80
  81 - (NSDictionary *) dictionaryOfInfoDictionaries {
  82     return self;
  83 }
  84
  85 @end
  86
  87 bool FinishCydia(const char *finish) {
  88     if (finish == NULL)
  89         return true;
  90
  91     const char *cydia(getenv("CYDIA"));
  92     if (cydia == NULL)
  93         return false;
  94
  95     int fd([[[[NSString stringWithUTF8String:cydia] componentsSeparatedByString:@" "] objectAtIndex:0] intValue]);
  96     FILE *fout(fdopen(fd, "w"));
  97     fprintf(fout, "finish:%s\n", finish);
  98     fclose(fout);
  99     return true;
 100 }
 101
 102 void FixCache(NSString *home, NSString *plist) {
 103     printf("attempting to fix weather app issue, please wait...\n");
 104
 105     DeleteCSStores([home UTF8String]);
 106     unlink([plist UTF8String]);
 107
 108     bool succeeded(false);
 109
 110     if (void *MobileInstallation$ = dlopen("/System/Library/PrivateFrameworks/MobileInstallation.framework/MobileInstallation", RTLD_GLOBAL | RTLD_LAZY)) {
 111         int (*MobileInstallation$_MobileInstallationRebuildMap)(CFBooleanRef, CFBooleanRef, CFBooleanRef);
 112         MobileInstallation$_MobileInstallationRebuildMap = reinterpret_cast<int (*)(CFBooleanRef, CFBooleanRef, CFBooleanRef)>(dlsym(MobileInstallation$, "_MobileInstallationRebuildMap"));
 113         if (MobileInstallation$_MobileInstallationRebuildMap != NULL) {
 114             if (int error = MobileInstallation$_MobileInstallationRebuildMap(kCFBooleanTrue, kCFBooleanTrue, kCFBooleanTrue))
 115                 printf("failed to rebuild cache (but we gave it a good try); error #%d\n", error);
 116             else {
 117                 printf("successfully rebuilt application information cache.\n");
 118                 succeeded = true;
 119             }
 120         } else
 121             printf("unable to find _MobileInstallationRebuildMap symbol.\n");
 122     } else
 123         printf("unable to load MobileInstallation library.\n");
 124
 125     if (!succeeded)
 126         printf("this is not a problem: it will be regenerated as the device boots\n");
 127
 128     if (!FinishCydia("reboot"))
 129         printf("you must reboot to finalize your cache.\n");
 130 }
 131
 132 int main(int argc, const char *argv[]) {
 133     if (argc < 2 || (
 134         strcmp(argv[1], "install") != 0 &&
 135         strcmp(argv[1], "upgrade") != 0 &&
 136     true)) return 0;
 137
 138     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 139
 140     if (kCFCoreFoundationVersionNumber >= 700) { // XXX: iOS 6.x
 141         NSString *home(@"/var/mobile");
 142         NSString *plist([NSString stringWithFormat:@"%@/Library/Caches/com.apple.mobile.installation.plist", home]);
 143         NSDictionary *cache([NSDictionary dictionaryWithContentsOfFile:plist]);
 144
 145         NSArray *cached([cache objectForKey:@"MICachedKeys"]);
 146         if (cached != nil && [cached containsObject:@"Container"]) {
 147             NSObject *system([cache objectForKey:@"System"]);
 148             NSDictionary *dictionary([system dictionaryOfInfoDictionaries]);
 149             NSDictionary *weather([dictionary objectForKey:@"com.apple.weather"]);
 150
 151             if (weather != nil && [weather objectForKey:@"Container"] == nil)
 152                 FixCache(home, plist);
 153         }
 154     }
 155
 156     [pool release];
 157     return 0;
 158 }